My son just had an ablation Oct. 23rd. Then night after he had it he complained central chest pains. Shortness of breath, Hard to catch his breathe, Painful, gets pale. We thought it was from the tubes down his throat and that his throat esophagus was hurting. That subsided and his ECG 2 weeks later came out normal. Last night he had the same symptoms, only worse, gasping for air, Lots of pain, took him to ER. They did a ECG (Normal) Xrays (Normal) Ultrasound (Slight Fluid, not enough to be alarmed) His Heart Rate was 145 going in to ER and stayed above 100. They gave him pain medicine which helped. They discharged him for UNKNOW causes. He was given Tylenol for the 101 fever he had at that time. Today his Rate is 112 Heart rate. Any ideas?